CN114284659A - Filter - Google Patents
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- CN114284659A CN114284659A CN202011040831.3A CN202011040831A CN114284659A CN 114284659 A CN114284659 A CN 114284659A CN 202011040831 A CN202011040831 A CN 202011040831A CN 114284659 A CN114284659 A CN 114284659A
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Abstract
The invention is suitable for the technical field of filters, and provides a filter, which comprises: the shell is provided with at least two resonant cavities, and the shell is provided with a mounting hole and a channel for communicating the mounting hole with one resonant cavity; the resonator is correspondingly arranged in the resonant cavity; the connector assembly comprises a connector, a connecting rod, a connecting sheet and an insulating positioning piece; one end of a connecting rod is connected with the connector, the other end of the connecting rod is connected with a connecting sheet and an insulating positioning piece, the connecting rod is installed in the installation hole, the insulating positioning piece is installed in the channel, and the connecting sheet is electrically connected with a resonator through a conductive piece; the middle position of the insulating positioning piece is provided with a positioning groove, and the connecting piece is arranged in the positioning groove. According to the filter provided by the invention, the insulating positioning piece is arranged, the positioning groove is arranged in the middle position of the insulating positioning piece, and the connecting sheet is arranged in the positioning groove, so that the convenience in mounting the connecting sheet is ensured, the connecting sheet is fixed in the middle position in the channel, the product performance is reliable and stable, the consistency is good, and the production efficiency is improved.
Description
Technical Field
The invention relates to the technical field of filters, in particular to a filter.
Background
The filter is an important component in communication equipment, and as a typical frequency selection device, the filter can effectively suppress unwanted signals and plays roles in selecting signals, attenuating noise, filtering interference and the like. With the continuous development of filters, it is important to simplify and facilitate the installation and production operations of connectors of filters.
In the prior art, a connector of a filter is usually installed in a mounting hole of a housing, the mounting hole is communicated with a resonant cavity through a channel, the connector is connected with a connecting sheet through a connecting rod, and the connecting sheet is installed in the channel and is electrically connected with a resonator in the resonant cavity through a copper wire, so that the connector and the resonator transmit signals. In order to reduce the short circuit risk of connection piece and passageway lateral wall, generally need to install the connection piece at the intermediate position of passageway, but directly install the connection piece at the passageway, hardly ensure the connection piece and install the intermediate position at the passageway, be difficult to guarantee after the connection piece installation that the lateral wall interval of connection piece and passageway both sides is unanimous, have the short circuit risk easily, and cause the index uniformity poor, the production rework volume is big, leads to production efficiency to hang down.
Disclosure of Invention
The invention provides a filter, and aims to solve the problems that after a connecting sheet of the filter in the prior art is installed in a channel, the distance between the connecting sheet and the side wall of the two sides of the channel is difficult to ensure to be consistent, short circuit risks are easy to occur, index consistency is easy to cause to be poor, the production rework amount is large, and the production efficiency is low.
The present invention is achieved by providing a filter including:
the device comprises a shell provided with at least two resonant cavities, wherein the shell is provided with a mounting hole and a channel for communicating the mounting hole with one resonant cavity;
the resonator is correspondingly arranged in the resonant cavity; and
the connector assembly comprises a connector, a connecting rod, a connecting sheet and an insulating positioning piece; one end of the connecting rod is connected with the connector, the other end of the connecting rod is connected with the connecting sheet and the insulating positioning piece, the connecting rod is installed in the installation hole, the insulating positioning piece is matched with the channel and installed in the channel, and the connecting sheet is electrically connected with the resonator through a conductive piece; the middle position of the insulating positioning piece is provided with a positioning groove, and the connecting piece is arranged in the positioning groove so as to be positioned in the middle position of the channel.
Preferably, the insulating positioning piece is provided with a via hole, and one end of the connecting rod penetrates through the via hole in the insulating positioning piece and is fixedly connected with the connecting sheet.
Preferably, the insulating spacer includes:
the first supporting part is mounted in the mounting hole, and the through hole penetrates through the first supporting part;
with first supporting part integrated into one piece's second supporting part, the constant head tank certainly the one end of second supporting part to first supporting part direction distributes, the constant head tank with the via hole intercommunication, the second supporting part install in the passageway and with the lateral wall tight fit of passageway both sides.
Preferably, the connector assembly further comprises:
the connector is arranged at one end of the pressure riveting column, and one end of the connecting rod extends into the inner hole and is connected with the connector.
Preferably, the rivet pressing column includes:
a main body portion;
the matching end is connected with the main body part and is matched with the aperture of the mounting hole; and
and the outer diameter of the lengthened end is smaller than the diameter of the matching end.
Preferably, the squeeze riveting column further comprises a positioning ring which is arranged between the main body part and the matching end and is convex relative to the periphery of the matching end, and the outer diameter of the positioning ring is larger than the inner diameter of the mounting hole.
Preferably, the connecting piece is provided with a connecting hole, one end of the connecting rod connected with the connecting piece is provided with a plurality of elastic arms which are distributed along the axial direction of the connecting rod and can elastically deform towards the central axis of the connecting rod, the elastic arms are provided with limiting parts, and the elastic arms penetrate through the connecting hole and enable the limiting parts to limit the connecting piece on the connecting rod.
Preferably, a movable groove is formed between the plurality of elastic arms, and the plurality of elastic arms are isolated from each other by the movable groove.
Preferably, the number of the elastic arms is four, and the movable groove is a cross groove.
Preferably, the limiting parts on the elastic arms are arranged at intervals, and the limiting parts surround to form a ring shape with the outer diameter larger than the inner diameter of the connecting hole.
According to the filter provided by the invention, the insulating positioning piece is arranged, the positioning groove is formed in the middle position of the insulating positioning piece, and the connecting sheet is arranged in the positioning groove, so that after the insulating positioning piece is arranged in the channel, the connecting sheet can be positioned in the middle position of the channel, the connecting sheet can be easily fixed in the middle position of the channel, the distance between the connecting sheet and the side walls on the two sides of the channel is consistent, the short circuit risk is effectively avoided, the index consistency is good, the convenience in mounting the connecting sheet is ensured, the mounting position of the connecting sheet is also ensured, the product performance is reliable and stable, the consistency is good, and the processing efficiency is improved.
Drawings
Fig. 1 is a schematic structural diagram of a filter provided in an embodiment of the present invention after a cover plate is removed;
fig. 2 is an exploded perspective view of the filter provided by the embodiment of the present invention with the cover plate removed;
fig. 3 is a schematic structural diagram of a housing of a filter according to an embodiment of the present invention;
fig. 4 is a perspective view of a connector assembly of a filter according to an embodiment of the present invention;
fig. 5 is an exploded perspective view of a connector assembly of a filter according to an embodiment of the present invention;
fig. 6 is a perspective view of an insulating positioning member of a filter according to an embodiment of the present invention;
fig. 7 is a schematic top view of a filter according to an embodiment of the present invention, with a cover plate removed;
FIG. 8 is a schematic cross-sectional view taken along the line A-A in FIG. 7;
fig. 9 is a perspective view of a connecting rod of a filter according to an embodiment of the present invention;
fig. 10 is a perspective view of a connection rod and a connection plate of the filter according to the embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
According to the filter provided by the embodiment of the invention, the insulating positioning piece is arranged, the positioning groove is arranged in the middle position of the insulating positioning piece, and the connecting sheet is arranged in the positioning groove, so that the connecting sheet can be positioned in the middle position of the channel after the insulating positioning piece is arranged in the channel, the connecting sheet can be easily fixed in the middle position of the channel, the distance between the connecting sheet and the side walls at two sides of the channel is consistent, the short-circuit risk is effectively avoided, the index consistency is good, the convenience in mounting of the connecting sheet is ensured, the mounting position of the connecting sheet is also ensured, and the product performance is reliable and stable, and the consistency is good.
Referring to fig. 1 to 6, an embodiment of the invention provides a filter, including:
the device comprises a shell 1 provided with at least two resonant cavities 11, wherein the shell 1 is provided with a mounting hole 12 and a channel 13 for communicating the mounting hole 12 with one resonant cavity 11;
the resonator 2 is correspondingly arranged in the resonant cavity 11; and
the connector assembly 3, the connector assembly 3 includes the connector 31, tie rod 32, connection lug 33 and insulating locating element 34; one end of the connecting rod 32 is connected with the connector 31, the other end is connected with the connecting sheet 33 and the insulating positioning piece 34, the connecting rod 32 is installed in the installation hole 12, the insulating positioning piece 34 is matched with the channel 13 and installed in the channel 13, and the connecting sheet 33 is electrically connected with a resonator 2 through the conductive piece 5; the insulating positioning member 34 is provided with a positioning groove 340 at a middle position, and the connecting piece 33 is mounted in the positioning groove 340 such that the connecting piece 33 is located at a middle position of the channel 13.
In the embodiment of the present invention, the number of the resonators 2 is the same as that of the resonators 11, and the specific number of the resonators 11 and the resonators 2 is not limited. One resonator 2 is correspondingly arranged in each resonant cavity 11, and adjacent resonant cavities 11 are coupled through windows.
In the embodiment of the present invention, the filter further includes a cover plate (not shown) covering the housing 1 to seal the housing 1.
In the embodiment of the present invention, the mounting hole 12 is a circular hole, and the channel 13 is disposed at one side of the mounting hole 12 and communicates with a resonant cavity 11.
In the embodiment of the present invention, one end of the connecting rod 32 is connected to the connector 31 and the insulating positioning member 34, and the other end is connected to the connecting sheet 33, the connecting rod 32 transmits the signal input by the connector 31 to the connecting sheet 33, and the connecting sheet 33 transmits the signal to the resonator 2 through the conductive member 5.
As an embodiment of the present invention, the filter further includes a conductive member 5, one end of the conductive member 5 is connected to the resonator 2, and the other end of the conductive member 5 is welded to the connection pad 33. Wherein, the conductive piece 5 is a copper wire.
In this embodiment, the specific shape of the copper wire is not limited. When the connector assembly 3 is integrally mounted to the housing 1, one end of the conductive member 5 is welded to the resonator 2, and the other end of the conductive member 5 is welded to the connection pad 33, so that stable electrical connection between the connection pad 33 and the resonator 2 is achieved.
In the embodiment of the present invention, the insulating positioning member 34 is made of an insulating material to realize the insulating isolation between the connecting piece 33 and the side walls of the two sides of the channel 13. The shape and size of the positioning groove 340 are matched with the shape and size of the connecting piece 33, so that when the connecting piece 33 is installed in the positioning groove 340, the connecting piece 33 can be stably fixed in the positioning groove 340, and the connecting piece 33 has good position precision.
Referring to fig. 7-8, in the embodiment of the present invention, the positioning groove 340 is disposed at the middle position of the insulating positioning member 34, and the connecting sheet 33 is mounted in the positioning groove 340, so that the connecting sheet 33 is located at the middle position of the channel 13 when the insulating positioning member 34 is mounted in the channel 13, and the connecting sheet 33 can be easily fixed at the middle position of the channel 13, thereby ensuring that the connecting sheet 33 is mounted conveniently, and also ensuring that the connecting sheet 33 is located at the middle position of the channel 13, so that the product performance is reliable and stable, the consistency is good, and the processing efficiency is improved.
In the embodiment of the present invention, when the insulating positioning element 34 is installed in the channel 13, the positioning grooves 340 are distributed along a connecting line between the center of the resonant cavity 11 and the center of the installation hole 12, and the central axes of the positioning grooves 340 are distributed along the central axis of the channel 13.
As an embodiment of the present invention, the insulating positioning member 34 is provided with a through hole 341, and one end of the connecting rod 32 passes through the through hole 341 on the insulating positioning member 34 and is fixedly connected to the connecting sheet 33.
In this embodiment, when the connecting rod 32 and the connecting sheet 33 are connected to the insulating positioning member 34, one end of the connecting rod 32 passes through the through hole 341 on the insulating positioning member 34 and is connected to the connecting sheet 33, so that the connecting rod 32 is fixedly connected to the connecting sheet 33 and the insulating positioning member 34.
As an embodiment of the present invention, one end of the insulating positioning member 34 close to the resonant cavity 11 is flush with the side walls 131 on both sides of the channel 13 or protrudes toward the resonant cavity 11 relative to the side walls 131 on both sides of the channel 13, and one end of the connecting piece 33 close to the resonant cavity 11 protrudes toward the resonant cavity 11 relative to the insulating positioning member 34.
In this embodiment, one end of the insulating positioning member 34 close to the resonant cavity 11 is flush with the side walls 131 on both sides of the channel 13 or extends out toward the resonant cavity 11 relative to the side walls 131 on both sides of the channel 13, so that the insulating positioning member 34 can effectively isolate the connecting sheet 33 from the side walls 131 on both sides of the channel 13, and further reduce the risk of short circuit between the connecting sheet 33 and the side walls 131 on both sides of the channel 13; meanwhile, one end of the connecting piece 33 close to the resonant cavity 11 extends towards the resonant cavity 11 relative to the insulating positioning piece 34, so that the part of the connecting piece 33 exposed outside the insulating positioning piece 34 can be far away from the side walls 131 on two sides of the channel 13 as far as possible, the safety performance is further improved, and the welding operation between the connecting piece 33 and the conductive piece 5 is facilitated.
As an embodiment of the present invention, the connector assembly 3 further includes:
install in the squeeze riveting post 35 of mounting hole 12, squeeze riveting post 35 has a hole 350 along its axial through, and connector 31 is installed in squeeze riveting post 35 one end, and the one end of connecting rod 32 stretches into hole 350 and is connected with connector 31.
In this embodiment, the connector 31 is fixedly mounted in the inner hole 350 of the squeeze riveting column 35 to realize the fixed mounting of the connector 31, and one end of the connecting rod 32 extends into the inner hole 350 and is connected with the connector 31 to realize the electrical connection between the connecting rod 32 and the connector 31. After the connecting rod 32 is assembled with the insulating positioning member 34 and the connecting piece 33, the squeeze riveting column 35 is pressed into the mounting hole 12, so that the whole connector assembly 3 is stably fixed on the housing 1.
As an embodiment of the present invention, the insulating spacer 34 includes:
a first support portion 342, the first support portion 342 being mounted to the mounting hole 12, the via hole 341 penetrating the first support portion 342;
the second supporting portion 343 is integrally formed with the first supporting portion 342, the positioning grooves 340 are distributed from one end of the second supporting portion 343 to the direction of the first supporting portion 342, the positioning grooves 340 are communicated with the via holes 341, and the second supporting portion 343 is mounted in the channel 13 and is tightly fitted with the sidewalls 131 at both sides of the channel 13.
In this embodiment, the first supporting portion 342 is a cylinder shape adapted to the mounting hole 12, and the outer diameter of the first supporting portion 342 is smaller than the inner diameter of the mounting hole 12, so that the first supporting portion 342 can be conveniently installed in the mounting hole 12.
In this embodiment, the second supporting portion 343 has a long strip shape. The width of the second support portion 343 is adapted to the width of the channel 13 so that when the second support portion 343 is mounted in the channel 13, the positioning groove 340 is located at a middle position of the channel 13, so that the connecting piece 33 mounted in the positioning groove 340 is located at a middle position of the channel 13.
In this embodiment, by arranging the insulating positioning member 34 into the first supporting portion 342 and the second supporting portion 343, the insulating positioning member 34 is connected to the connecting rod 32 by using the first supporting portion 342, so as to fix the insulating positioning member 34; insulating positioning element 34 utilizes constant head tank 340 on the second supporting part 343 to play the location to connection piece 33, and first supporting part 342 and second supporting part 343 adopt integrated design, need not to install support piece respectively at passageway 13 and mounting hole 12, and the installation of being convenient for, and reduce the kind of material, reduce the material management and control degree of difficulty.
As an embodiment of the present invention, the insulating spacer 34 further includes:
the sleeving part 344 is arranged on the first supporting part 342, the through hole 341 penetrates through the first supporting part 342 and the sleeving part 344 simultaneously, and the sleeving part 344 is inserted into the inner hole 350 of the squeeze riveting column 35.
In this embodiment, the insulating positioning element 34 is inserted into the inner hole 350 of the rivet pressing column 35 by the sleeve joint part 344, so that the insulating positioning element 34 is conveniently and fixedly connected to the connecting rod 32, and the connection strength between the insulating positioning element 34 and the connecting rod 32 is improved.
In this embodiment, the sleeving part 344 and the positioning groove 340 are respectively disposed on two opposite sides of the insulating positioning member 34. The positioning groove 340 is provided on a side of the insulating positioning member 34 away from the connector 31. Besides this embodiment, the positioning groove 340 may also be disposed on the side of the insulating positioning member 34 close to the connector 31.
As an embodiment of the present invention, the clinch pillar 35 includes:
a main body portion 351;
a mating end 352 connected to the body portion 351 and adapted to the aperture of the mounting hole 12; and
an elongated end 353 connected to the mating end 352, the elongated end 353 having an outer diameter less than the diameter of the mating end 352.
In this embodiment, the mating end 352 is matched with the aperture of the mounting hole 12, and when the squeeze rivet column 35 is pressed into the mounting hole 12, the squeeze rivet column 35 and the mounting hole 12 form a tight fit. The extension end 353 is arranged by arranging the squeeze riveting column 35, namely, the squeeze riveting column 35 is extended to form the extension end 353. When the squeeze riveting column 35 is pressed into the mounting hole 12, the lengthened end 353 firstly enters the mounting hole 12, the lengthened end 353 is smaller than the diameter of the matching end 352, so that the lengthened end 353 can be easily placed into the mounting hole 12, the lengthened end 353 plays a role in positioning and guiding when the squeeze riveting column 35 is pressed into the mounting hole 12, the squeeze riveting column 35 can be ensured not to be inclined after squeeze riveting, and the position degree and the size of the squeeze riveting column 35 are ensured.
In the embodiment, the length of the lengthened end 353 is 2-3 mm, the outer diameter of the lengthened end 353 is 0.02-0.2 mm smaller than the inner diameter of the mounting hole 12, the lengthened end 353 can be conveniently installed in the mounting hole 12, and the riveting column 35 can be conveniently machined.
In one embodiment of the present invention, the squeeze staking post 35 further includes a positioning ring 354 disposed between the body portion 351 and the mating end 352 and projecting circumferentially relative to the mating end 352, the positioning ring 354 having an outer diameter greater than the inner diameter of the mounting hole 12.
In this embodiment, the positioning ring 354 limits the rivet pressing column 35. When the squeeze riveting column 35 is continuously pressed into the mounting hole 12, when the positioning ring 354 is abutted to the positioning step on the housing 1, the squeeze riveting column 35 is pressed in place, so that further pressing of the squeeze riveting column 35 is avoided, and the mounting operation of a user is facilitated.
As an embodiment of the present invention, the end of the elongated end 353 is provided with a chamfer. The chamfer of the end of the elongated end 353 serves as a guide to facilitate insertion of the elongated end 353 into the mounting hole 12.
Referring to fig. 5, 9 and 10, as an embodiment of the present invention, the connecting plate 33 is provided with a connecting hole 331, one end of the connecting rod 32 is provided with a plurality of elastic arms 321 which are distributed along an axial direction of the connecting rod 32 and can elastically deform toward a central axis of the connecting rod 32, the elastic arms 321 are provided with a limiting portion 322, and the plurality of elastic arms 321 pass through the connecting hole 331 and enable the limiting portion 322 to limit the connecting plate 33 on the connecting rod 32.
In this embodiment, a plurality of elastic arms 321 are disposed at one end of the connecting rod 32, the elastic arms 321 are distributed along the axial direction of the connecting rod 32 and can elastically deform toward the central axis of the connecting rod 32, and a limiting portion 322 is disposed on each elastic arm 321, when the connecting rod 32 is connected to the connecting plate 33, the elastic arms 321 at one end of the connecting rod 32 simultaneously pass through the connecting holes 331 of the connecting plate 33, and when the elastic arms 321 pass through the connecting holes 331 of the connecting plate 33, the elastic arms 321 contract toward the central axis of the connecting rod 32, so that the connecting plate 33 can completely sleeve into the connecting rod 32 until the limiting portions 322 on the elastic arms 321 pass through the connecting holes of the connecting plate 33. After the connecting piece 33 is completely sleeved in the connecting rod 32, the plurality of elastic arms 321 are reset under the action of the elastic force of the elastic arms 321, and the limiting parts 322 on the elastic arms 321 limit the connecting piece 33 on the connecting rod 32, so that the connecting piece 33 is prevented from falling off from the connecting rod 32. When connecting piece 33 and electrically conductive 5 welding, even connecting piece 33 welding is heated can not cause connecting piece 33 to drop from connecting rod 32 yet, makes connecting piece 33 and connecting rod 32 be connected firmly, makes things convenient for production and processing, is favorable to improving production efficiency.
In the embodiment of the present invention, the limiting portions 322 of the plurality of elastic arms 321 are disposed at intervals, and the plurality of limiting portions 322 form a ring shape with an outer diameter larger than an inner diameter of the connecting hole 331. In a natural state, the plurality of limiting portions 322 enclose a ring shape with an outer diameter larger than the inner diameter of the connecting hole 331, so that after the connecting sheet 33 is sleeved in the connecting rod 32, the limiting portions 322 on the plurality of elastic arms 321 can limit the connecting sheet 33 at the same time, the connecting sheet 33 is prevented from falling off from the connecting rod 32, and the connecting sheet 33 is connected stably from the connecting rod 32.
In the embodiment of the present invention, the plurality of elastic arms 321 are disposed with the movable groove 320 therebetween, and the plurality of elastic arms 321 are isolated from each other by the movable groove 320. When the plurality of elastic arms 321 pass through the connecting holes 331 of the connecting plate 33, the plurality of elastic arms 321 contract towards the central axis of the connecting rod 32, and at the moment, the plurality of limiting parts 322 enclose a ring with an outer diameter smaller than the inner diameter of the connecting holes 331 so that the connecting plate 33 is completely sleeved in the connecting rod 32; after the connecting plate 33 is completely sleeved in the connecting rod 32, the elastic arms 321 reset under the action of self elasticity, and at the moment, the limiting parts 322 on the elastic arms 321 form a ring shape with the outer diameter being larger than the inner diameter of the connecting hole 331 so as to limit the connecting plate 33 and prevent the connecting plate 33 from falling off from the connecting rod 32.
As an embodiment of the invention, the number of the elastic arms 321 is four, and the movable groove 320 is a cross groove, so that the processing is simple and convenient, and the processing is convenient. Specifically, the diameter of the front end of the connecting rod 32 is increased to make the diameter of the front end of the connecting rod 32 larger than the diameter of the connecting hole 331 of the connecting plate 33, and a cross-shaped groove is formed in the front end of the connecting rod 32 to form four elastic arms 321, wherein the four elastic arms 321 are isolated from each other by the cross-shaped groove, and the cross-shaped groove provides an elastically-deformable space for the four elastic arms 321, so that the four elastic arms 321 can elastically deform toward the central axis direction of the connecting rod 32. When the connecting piece 33 is sleeved in the connecting rod 32, the four elastic arms 321 contract towards the central axis direction of the connecting rod 32, so that the connecting piece 33 can be easily sleeved in the connecting rod 32. After the connecting piece 33 is sleeved in the connecting rod 32, the four elastic arms 321 are reset towards the direction away from the central axis of the connecting rod 32, so that the limiting parts 322 on the four elastic arms 321 limit the connecting piece 33 on the connecting rod 32. In addition to the present embodiment, the number of the elastic arms 321 may be set to two, three, or more than four.
As an embodiment of the present invention, the plurality of elastic arms 321 are welded to the connection plate 33, so that the connection rod 32 is engaged with the connection holes 331 of the connection plate 33 through the plurality of elastic arms 321, and at the same time, the connection rod 32 is welded to the connection plate 33, so as to further improve the connection stability of the connection rod 32 to the connection plate 33, thereby improving the electrical connection performance of the connection rod 32 to the connection plate 33. Because the limiting parts 322 on the elastic arms 321 limit the connecting sheet 33, when the connecting sheet 33 is welded with the conductive piece 5, even if soldering tin at the welding position of the connecting sheet 33 and the connecting rod 32 is heated and dissolved due to the welding heat of the connecting sheet 33, the connecting sheet 33 cannot fall off from the connecting rod 32.
When the filter provided by the invention is assembled, the connecting sheet 33 is firstly installed in the positioning groove 340 of the insulating positioning piece 34, one end of the connecting rod 32 provided with the plurality of elastic arms 321 sequentially passes through the through holes 341 on the insulating positioning piece 34 and the connecting holes 331 on the connecting sheet 33, and the connecting rod 32 and the connecting sheet 33 are welded at the same time. Then, one end of the squeeze rivet column 35 is sleeved into the connecting rod 32, the connector 31 is installed at one end of the squeeze rivet column 35, the connecting rod 32 is connected with the connector 31, so that the whole connector assembly 3 is assembled, then the first supporting part 342 of the insulating positioning piece 34 is aligned with the installation hole 12, the second supporting part 343 of the insulating positioning piece 34 is aligned with the channel 13, then the squeeze rivet column 35 is pressed into the installation hole 12 to be aligned, so that the connector assembly 3 is fixed on the shell 1, at this time, the connecting sheet 33 is located at the middle position of the channel 13, finally, one end of the conductive piece 5 is welded with the resonator 2, and the other end of the conductive piece 5 is welded with the connecting sheet 33, so that the whole connector assembly 3 is installed.
According to the filter provided by the embodiment of the invention, the insulating positioning piece is arranged, the positioning groove is arranged in the middle position of the insulating positioning piece, and the connecting sheet is arranged in the positioning groove, so that the connecting sheet can be positioned in the middle position of the channel after the insulating positioning piece is arranged in the channel, the connecting sheet can be easily fixed in the middle position of the channel, the distance between the connecting sheet and the side walls at two sides of the channel is consistent, the short circuit risk is effectively avoided, the index consistency is good, the convenience in mounting of the connecting sheet is ensured, the mounting position of the connecting sheet is also ensured, the product performance is reliable and stable, the consistency is good, and the processing efficiency is improved.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A filter, comprising:
the device comprises a shell provided with at least two resonant cavities, wherein the shell is provided with a mounting hole and a channel for communicating the mounting hole with one resonant cavity;
the resonator is correspondingly arranged in the resonant cavity; and
the connector assembly comprises a connector, a connecting rod, a connecting sheet and an insulating positioning piece; one end of the connecting rod is connected with the connector, the other end of the connecting rod is connected with the connecting sheet and the insulating positioning piece, the connecting rod is installed in the installation hole, the insulating positioning piece is matched with the channel and installed in the channel, and the connecting sheet is electrically connected with the resonator through a conductive piece; the middle position of the insulating positioning piece is provided with a positioning groove, and the connecting piece is arranged in the positioning groove so as to be positioned in the middle position of the channel.
2. The filter according to claim 1, wherein the insulating positioning member is provided with a via hole, and one end of the connecting rod passes through the via hole on the insulating positioning member and is fixedly connected with the connecting sheet.
3. The filter of claim 2, wherein the insulating spacer comprises:
the first supporting part is mounted in the mounting hole, and the through hole penetrates through the first supporting part;
with first supporting part integrated into one piece's second supporting part, the constant head tank certainly the one end of second supporting part to first supporting part direction distributes, the constant head tank with the via hole intercommunication, the second supporting part install in the passageway and with the lateral wall tight fit of passageway both sides.
4. The filter of claim 1, wherein the connector assembly further comprises:
the connector is arranged at one end of the pressure riveting column, and one end of the connecting rod extends into the inner hole and is connected with the connector.
5. The filter of claim 4, wherein the squeeze post comprises:
a main body portion;
the matching end is connected with the main body part and is matched with the aperture of the mounting hole; and
and the outer diameter of the lengthened end is smaller than the diameter of the matching end.
6. The filter of claim 5, wherein the squeeze stud further comprises a positioning ring disposed between the main body portion and the mating end and protruding around the mating end, and an outer diameter of the positioning ring is larger than an inner diameter of the mounting hole.
7. The filter according to claim 1, wherein the connecting plate is provided with a connecting hole, one end of the connecting rod connected with the connecting plate is provided with a plurality of elastic arms which are distributed along the axial direction of the connecting rod and can generate elastic deformation towards the central axis of the connecting rod, the elastic arms are provided with limiting parts, and the plurality of elastic arms penetrate through the connecting hole and enable the limiting parts to limit the connecting plate on the connecting rod.
8. The filter of claim 7, wherein a plurality of the resilient arms are provided with a movable slot therebetween, and wherein the plurality of resilient arms are isolated from each other by the movable slot.
9. The filter of claim 8, wherein the number of the elastic arms is four, and the movable groove is a cross groove.
10. The filter according to any one of claims 7 to 9, wherein the position-limiting portions of the plurality of elastic arms are spaced apart from each other, and the plurality of position-limiting portions define a ring shape having an outer diameter larger than an inner diameter of the connection hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011040831.3A CN114284659A (en) | 2020-09-28 | 2020-09-28 | Filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011040831.3A CN114284659A (en) | 2020-09-28 | 2020-09-28 | Filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114284659A true CN114284659A (en) | 2022-04-05 |
Family
ID=80867988
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011040831.3A Pending CN114284659A (en) | 2020-09-28 | 2020-09-28 | Filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114284659A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115458885A (en) * | 2022-10-25 | 2022-12-09 | 四川恒湾科技有限公司 | Radio frequency device |
-
2020
- 2020-09-28 CN CN202011040831.3A patent/CN114284659A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115458885A (en) * | 2022-10-25 | 2022-12-09 | 四川恒湾科技有限公司 | Radio frequency device |
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